The doctor ______ the patient to have an X-ray ______ immediately.
—Why does the lake smell terrible?—Because large quantities of water ________.
The fact that so many people still smoke in public places ________ that we may need a nationwide campaign to raise awareness of the risks of smoking.
One-third of the country ________ covered with trees and the majority of the citizens ________ black people.
The basketball coach,as well as his team,________ interviewed shortly after the match for their outstanding performance.(2012·陕西)
All the scientific evidence ________ that increasing use of chemicals in farming ________ damaging our health.(2012·湖南)